1 to 25 of 30 Contract LLM Jobs in London

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
classification, regression, clustering, and NLP tasks. Understanding of model evaluation metrics, hyperparameter tuning, feature engineering, and MLOps practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with prompt ...

AI Developer - Azure, ML, AI Foundry

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700/day £market rate (Inside IR35)
lifecycle, MLOps, and Responsible AI. Strong problem-solving and analytical skills. Excellent communication and stakeholder management skills. Nice to have: Familiarity with LLM fine-tuning. Strong academic background in IT/Computer Science/Artificial Intelligence/related field Microsoft/AI related certifications Immediate availability If you're interested ...

Gen AI Engineer

Hiring Organisation
AVENSYS CONSULTING (UK) LTD
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
ensure project deadlines are met. Design, prototype, and deploy Generative AI models (LLMs, Transformers, Diffusion models) for enterprise use cases. Build and fine-tune LLM-based applications (chatbots, summarization, document Q&A, report generation, code assistants, etc.). Apply prompt engineering, RAG (Retrieval-Augmented Generation), and context-aware pipelines ...

Data & AI Senior Associate

Hiring Organisation
Michael Page Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
hands-on expertise in RAG and LangChain. Strong Python programming skills and familiarity with modern AI frameworks. Skilled in prompt engineering and understanding of LLM behavior and optimization. Practical knowledge of CI/CD pipelines , ideally with GitHub Actions. Excellent problem-solving abilities and ability to work independently ...

Data/AI Engineer

Hiring Organisation
Michael Page Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
hands-on expertise in RAG and LangChain. Strong Python programming skills and familiarity with modern AI frameworks. Skilled in prompt engineering and understanding of LLM behavior and optimization. Practical knowledge of CI/CD pipelines , ideally with GitHub Actions. Excellent problem-solving abilities and ability to work independently ...

Business Analyst

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
product environments. A knack for translating business needs into clear, detailed requirements and user stories. Hands-on experience with AI/ML or LLM-based solutions (think: generative assistants, recommendation engines, automation tools). Strong analytical chops and a love for problem-solving. Top-notch communication skills-you can talk ...

AI Prompt Engineer - Future Talent

Hiring Organisation
Staffworx Limited
Location
London, United Kingdom
Employment Type
Contract
Technically sharp AI Prompt Engineer Youll design and optimize prompts, build LLM-powered applications, and deploy scalable GenAI solutions that connect people and intelligent systems in new ways. ?? What Youll Do Design, test, and refine prompts for leading LLMs (GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere). Experiment …/LLMOps practices with MLflow, Weights & Biases, and Kubeflow. ?? Youll Bring Strong Python skills and experience with LangChain, Transformers, Hugging Face. Solid grasp of LLM behavior, prompt optimization, and data engineering. Familiarity with vector databases (FAISS, Pinecone, ChromaDB). Hands-on with Linux, Bash/Powershell scripting, cloud environments. Creative ...

Back End Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
workflows enhance ideation, empathy mapping, and iterative prototyping across multidisciplinary teams. Strong foundation in software development with C# and TypeScript. Experience with AI/LLM concepts (e.g., prompt engineering, RAG). Analytical mindset for assessing sufficiency (relevance, completeness, freshness) and mitigating risks like hallucinations. Focus on Clean Architecture and Clean ...

AI Quality Evaluation Specialist

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£300 - £450 per day
Ensure Global Quality: Analyze model outputs across locales to guarantee accuracy, fluency, and cultural fit for millions of global users. Required Experience: Expertise in LLM Evaluation or Machine Translation evaluation in multilingual settings. Hands-on experience with quality frameworks like MQM, COMET , or designing multidimensional rubrics. Background in Applied Linguistics ...

Senior Business Information Coordinator

Hiring Organisation
Arup CWS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
required. User-oriented skills and mindset, including interpreting user search needs, gathering user requirements, conceptualising new system features, or providing user training. Experience using LLM tools and critically evaluating outputs. Excellent verbal and written communication skills Must have strong collaboration skills and an ability to work within a team environment. ...

Senior Business Information Coordinator

Hiring Organisation
Arup
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
required. User-oriented skills and mindset, including interpreting user search needs, gathering user requirements, conceptualising new system features, or providing user training. Experience using LLM tools and critically evaluating outputs. Excellent verbal and written communication skills Must have strong collaboration skills and an ability to work within a team environment. ...

Data Scientist

Hiring Organisation
Emporia Consulting Group Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
global Energy company is hiring a Data Scientist. Hybrid position. Paying up to £600 per day Experience and skills required for the Data Scientist, LLM, RAG, Machine Learning Development experience in one or more object-oriented programming languages (e click apply for full job details ...

AI Prompt Engineer - Future Talent

Hiring Organisation
Staffworx Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Technically sharp AI Prompt Engineer Youll design and optimize prompts, build LLM-powered applications, and deploy scalable GenAI solutions that connect people and intelligent systems in new ways. What Youll Do Design, test, and refine prompts for leading LLMs (GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere) click apply ...

AI Agent Developer

Hiring Organisation
Microtech Global Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Brief: We are seeking a highly skilled LLM Developer to design, build, and deploy a web-based AI agent that will automate and elevate our core QA coordination tasks. Responsibilities: Design & Implement NLP Pipelines: Parse, understand, and extract key information from unstructured Release Notes and Test Policy documents click apply ...

Gen AI Engineer

Hiring Organisation
Investigo Change Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 700 Daily
solution design Performance monitoring and optimisation of AI models Experience developing and deploying APIs using API Gateway Familiarity with Azure cloud services for LLM deployments including App Service, Azure Functions and Logic Apps Experience with Azure AI and data services including Azure OpenAI, Azure Cognitive Services, Azure AI Search, Azure … Cosmos DB, Azure Data Lake, Microsoft Purview, Power Platform and Microsoft Graph Expertise in LLM integration patterns such as MCP and A2A Experience designing solutions integrating on-premise and cloud systems within regulated environments Experience using GitHub Copilot or similar AI-assisted development tools At Investigo, we make recruitment feel ...

AI Evangelist - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £1,200 per day
AI Evangelist - Inside IR35 - Hybrid Role Overview The Senior AI Evangelist plays a pivotal hands-on role in shaping and driving the responsible adoption of Artificial Intelligence across the organization. This position bridges the gap ...

AI Evangelist - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £1000/day
AI Evangelist - Inside IR35 - Hybrid Role Overview The Senior AI Evangelist plays a pivotal hands-on role in shaping and driving the responsible adoption of Artificial Intelligence across the organization. This position bridges the gap ...

AI/LLM Engineer (Contract) - RAG Implementation | London (Mostly Remote) - Outside IR35 - Jan Start

Hiring Organisation
Robson Bale Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
/LLM Engineer (Contract) - RAG Implementation | London (Mostly Remote) - Outside IR35 - Jan Start We're seeking a skilled AI/LLM Engineer to help deliver Retrieval Augmented Generation (RAG) solutions for a major client project in London. This is a hands-on contract role suited to someone with strong implementation … establishing good engineering practices for AI delivery What You'll Bring Proven experience developing and deploying RAG solutions in production Strong background in LLM and agentic system development Familiarity with MCP or similar model control frameworks Hands-on experience with ML Ops tools and workflows (CI/CD, model life ...

AI UX Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
selection, deployment, and prompt engineering Agentic workflow development, ideally using AWS AgentCore Multi-agent orchestration frameworks such as AWS Strands Agents, LangGraph, or similar LLM integration and fine-tuning (Claude, GPT-4, or equivalent) Strong prompt engineering skills, including chain-of-thought reasoning RAG & Knowledge Systems Implementation of Retrieval-Augmented … CockroachDB, Pinecone, or similar Embedding model optimisation and semantic search Context window management and chunking strategies MCP & Tool Integration Model Context Protocol (MCP) implementation LLM tool calling and API design AWS Lambda integration with agents AI Safety & Evaluation Guardrail implementation (hallucination detection, toxicity filtering) Response evaluation frameworks and A/ ...

AI UX Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
selection, deployment, and prompt engineering Agentic workflow development, ideally using AWS AgentCore Multi-agent orchestration frameworks such as AWS Strands Agents, LangGraph, or similar LLM integration and fine-tuning (Claude, GPT-4, or equivalent) Strong prompt engineering skills, including chain-of-thought reasoning RAG & Knowledge Systems Implementation of Retrieval-Augmented … CockroachDB, Pinecone, or similar Embedding model optimisation and semantic search Context window management and chunking strategies MCP & Tool Integration Model Context Protocol (MCP) implementation LLM tool calling and API design AWS Lambda integration with agents AI Safety & Evaluation Guardrail implementation (hallucination detection, toxicity filtering) Response evaluation frameworks and A/ ...

AI Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
. Production monitoring: hallucination/guardrail incidents, drift, telemetry dashboards Required Skills & Experience: Python for application glue; Fast API for inference/middleware services. LLM integration patterns (prompt engineering, RAG, tool-use/agents, function calling). Evaluation & safety: automated prompt/response evals, LLM-as-a-judge, red-teaming ...

Data Science & Prototyping Developer

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 - £950 per day
Data Science & Prototyping Developer Looking for a contract that actually lets you build cool stuff This team is creating the next wave of AI-powered marketing analytics tools and they are seeking an inventive Data ...

AI Product Manager - Start Up Experience

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £650 per day
services across our business. What You'll Do Design and implement a comprehensive AI testing and evaluation framework for all AI solutions, including LLM-based tools, RAG systems, and third-party platforms. Define and document quality standards for semantic accuracy, factual consistency, bias, tone, and relevance. Develop reusable testing templates … user trust. What You'll Bring Strong hands-on experience in testing and evaluation of AI or software systems, ideally with NLP or LLM-based applications. Understanding of prompt evaluation, semantic search, and LLM behaviour (accuracy, hallucination, bias, tone, etc.). Familiarity with tools like Trulens, HumanLoop, PromptLayer, or similar ...

C# .Net Developer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/day
features in production. Required Skills Programming: C# .Net essential Azure functions knowledge Knowledge of AI principles and AI ethics Knowledge of data safety in LLM usage Experience with: AWS: boto3, Bedrock, SageMaker, Lambda, S3, EC2 Azure: Azure OpenAI Service, Cosmos DB Retrieval-Augmented Generation (RAG), Graph RAG Embedding models … LLM training fundamentals Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website. Please note that no terminology in this advert ...

AI Agent Developer

Hiring Organisation
Microtech Global Ltd
Location
West London, London, United Kingdom
Employment Type
Contract
Brief: We are seeking a highly skilled LLM Developer to design, build, and deploy a web-based AI agent that will automate and elevate our core QA coordination tasks. Responsibilities: Design & Implement NLP Pipelines: Parse, understand, and extract key information from unstructured Release Notes and Test Policy documents. Develop … Fine-tune a Retrieval-Augmented Generation (RAG) system, training models on QA policies for accuracy and context-awareness. Build AI Agent Architecture: Utilize modern LLM APIs (e.g., OpenAI, Anthropic, Gemini) and frameworks (e.g., LangChain, LlamaIndex) to create a robust system. Integrate Backend APIs: Enable the AI agent to automatically publish ...